flutter textfield number only
import 'package:flutter/services.dart';
keyboardType: TextInputType.number,
inputFormatters: [FilteringTextInputFormatter.digitsOnly],
flutter textfield number only
import 'package:flutter/services.dart';
keyboardType: TextInputType.number,
inputFormatters: [FilteringTextInputFormatter.digitsOnly],
how to allow only characters and numbers in textfield flutter
inputFormatters: [new WhitelistingTextInputFormatter(RegExp("[a-zA-Z0-9]")),],
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